About This Chapter
Properties of Liquids and Gases in Chemistry - Chapter Summary
This chapter provides you with the opportunity to understand how chemical laws are applied in areas of gas and liquid properties, pressure and temperature. Each lesson contains examples of equations and theories that pertain to this subject.
What is the Ideal Gas Law and how is it used? What does Dalton's Law address? What is an example of dissolved gas? These are some of the facts you will review when you use this chapter. Once your review is complete, you should be able to:
- Relate facts about absolute zero
- Explain the Ideal Gas Law and what it is used to calculate
- Use Van der Waals Equation to understand the behavior of real gases
- Describe the process of dissolving gas
- Understand the Kinetic Molecular Theory in discussing characteristics of gases
- Calculate gas pressures using Dalton's Law
- Determine the vapor pressure of a solution with Raoult's Law
- Compare speeds of different gases
Expert instructors use definitions, illustrations and detailed examples to simplify this material and enhance your learning experience. Lessons are accessible on any device 24/7 and transcripts are printable so you can create handy reference tools. Use your Dashboard to track your progress through the chapter and self-assessment quizzes to determine your readiness in moving from one topic to the next.
1. Absolute Zero: Temperature & Definition
There is a limit to how cold matter can get. Learn more about what happens when the temperature gets down to absolute zero and cannot get any lower. Test your knowledge with quiz questions.
2. The Ideal Gas Law and the Gas Constant
Have you ever wondered why the pressure in your car's tires is higher after you have been driving a while? In this lesson, we are going to discuss the law that governs ideal gases and is used to predict the behavior of real gases: the ideal gas law.
3. Using the Ideal Gas Law: Calculate Pressure, Volume, Temperature, or Quantity of a Gas
In another lesson, you learned that the ideal gas law is expressed as PV = nRT. In this video lesson, we'll go one step further, examining how to rearrange the equation to solve for a missing variable when the others are known.
4. Real Gases: Deviation From the Ideal Gas Laws
The ideal gas law is used to describe the behavior of ideal gases, but sometimes the conditions are such that gases behave differently. When this is the case we can use the van der Waals equation to describe the behavior of real gases under these non-ideal conditions.
5. Real Gases: Using the Van der Waals Equation
To understand real gas behavior we use the van der Waals equation. This allows us to account for the volume and attractive forces of gas molecules. In this video lesson you'll see this put into action, and understand how it is different from the ideal gas law.
6. Dissolved Gas: Process & Examples
How and why do we dissolve gas into other materials? In this lesson, explore the principles and process of dissolving gas and discover some of the common uses for this technique. Then, test your understanding with a brief quiz.
7. The Kinetic Molecular Theory: Properties of Gases
What makes a gas ideal? What types of characteristics do ideal gases have? In this lesson, we will discuss the many characteristics of gases and how knowing the microscopic properties of gas particles will help you understand the macroscopic properties of a gas.
8. Dalton's Law of Partial Pressures: Calculating Partial & Total Pressures
In this lesson, you will learn how gases behave when they are mixed together and how to use Dalton's law of partial pressures to calculate partial and total pressures of gases. You will also learn how to use this information to explain how to find the partial pressure of a gas collected over water.
9. Colligative Properties and Raoult's Law
Learn how vapor pressure and osmotic pressure are colligative properties. Learn Raoult's Law and how to use it to determine the vapor pressure of a solution. Learn the equation for determining osmotic pressure and how to use it to determine the molar mass of a substance.
10. Diffusion and Effusion: Graham's Law
Have you ever been in a room where someone has put on perfume or scented lotion and a few minutes later you are able to smell it? What causes you to be able to smell something from so far away? In this lesson, we are going to use the kinetic molecular theory of gases to explain some of their behaviors and determine how we can compare the speeds of different gases.
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